[INFO] fetching crate eve 0.1.1...
[INFO] checking eve-0.1.1 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate eve 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate eve 0.1.1 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate eve 0.1.1
[INFO] finished tweaking crates.io crate eve 0.1.1
[INFO] tweaked toml for crates.io crate eve 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded failure v0.1.8
[INFO] [stderr]   Downloaded assert_cli v0.6.3
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded failure_derive v0.1.8
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded difference v2.0.0
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded adler v1.0.2
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded miniz_oxide v0.4.4
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded dir-diff v0.3.2
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded dotenv v0.13.0
[INFO] [stderr]   Downloaded backtrace v0.3.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96f32bd97d1f0189f729f2312f39ca67c62dc8ef607063177eba4ef554ceae2d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "96f32bd97d1f0189f729f2312f39ca67c62dc8ef607063177eba4ef554ceae2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96f32bd97d1f0189f729f2312f39ca67c62dc8ef607063177eba4ef554ceae2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96f32bd97d1f0189f729f2312f39ca67c62dc8ef607063177eba4ef554ceae2d", kill_on_drop: false }`
[INFO] [stdout] 96f32bd97d1f0189f729f2312f39ca67c62dc8ef607063177eba4ef554ceae2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9881ae2f5828efbee877fa44e2fb33a5a62ca49ab0bab40f58250050455d0d66
[INFO] running `Command { std: "docker" "start" "-a" "9881ae2f5828efbee877fa44e2fb33a5a62ca49ab0bab40f58250050455d0d66", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking dir-diff v0.3.2
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]     Checking eve v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut eve = if let Some(env) = file_option {
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn main() -> Result<(), Box<error::Error>> {
[INFO] [stdout]    |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let mut eve = if let Some(env) = file_option {
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.08s
[INFO] running `Command { std: "docker" "inspect" "9881ae2f5828efbee877fa44e2fb33a5a62ca49ab0bab40f58250050455d0d66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9881ae2f5828efbee877fa44e2fb33a5a62ca49ab0bab40f58250050455d0d66", kill_on_drop: false }`
[INFO] [stdout] 9881ae2f5828efbee877fa44e2fb33a5a62ca49ab0bab40f58250050455d0d66